/* 常见标签的margin和padding */
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
ol,
li,
dt,
dd,
dl,
input {
    margin: 0;
    padding: 0;
}

/* 去除列表默认样式 */
ul,
ol {
    list-style: none;
}

/* 去除倾斜效果 */
i,
em {
    font-style: normal;
}

/* 设置统一字体 */
body {
    font: 16px/1.5 "Helvetica Neue", Helvetica Neue, "Microsoft Yahei",
        "Hiragino Sans GB", "Heiti SC", "WenQuanYi Micro Hei", sans-serif;
    color: #333;
}

a {
    text-decoration: none;
    color: #333;
}

img {
    vertical-align: middle;
}

input {
    border: none;
    outline: none;
    color: #333;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

/* 清浮动 */
.clearfix {
    /* ie6 ie7 不支持after 使用zoom1来出发haslayout */
    *zoom: 1;
}

.clearfix::after {
    content: "";
    display: block;
    clear: both;
    height: 0;
    line-height: 0;
    visibility: hidden;
}

